Methyl 3-bromo-6-methyl-2-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 3-chloro-2-iodo-5-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 6-chloro-2-iodo-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 5-bromo-2-methyl-4-(trifluoromethoxy)pyridine-3-carboxylate